Installation and Maintenance
Part Number: E2K-402-0313, Rev. A
Mar 2013
9
Section 4: Limit Switch Setting Instructions
Limit Switch Setting Instructions
Section 4: Limit Switch Setting Instructions
BEFORE MAKING LIMIT SWITCH SETTING:
1. Move valve to mid-position (use handwheel).
2. Phase the power (motor) voltage and make sure that open contactor moves valve
Open and close contactor moves valve Closed.
DANGER
Improper power voltage phasing eliminates protection of both position limit
switch and torque switches, risking valve damage.
4.1 TO SET OPEN LIMIT SWITCH (LSO)
1. Open valve during handwheel operation note rotation direction of screwdriver (g.
6) in LSO Adjusting Shaft. After valve is fully Open, Close it three handwheel turns
to allow for coasting when motor is actuated.
Figure 6
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